Number of protons + number of neutrons

Atoms of the same element that differ in the number of neutrons they contain

Substance formed by the chemical combination of two or more elements in definite proportions. Ex: H2O and NaCl

Formed when one or more electrons are transferred from one atom to another.

Positively and negatively charged atoms

Forms when electrons are shared between atoms

The smallest unit of most compounds.

An uneven distribution of electrons between the oxygen and hydrogen atoms making water a polar molecule.

Formed when water’s partial positive and negative charges, these molecules attach each other and bond to one another through hydrogen bonds.

An attraction between molecules of the same substance

An attraction between molecules of different substances

Allows water to absorb greater amount of heat before it increases its temperature than other substances; aka it heats and cools slowly.

High Heat of Vaporization

Requires a large amount of heat to force water to convert from a liquid to a gas. Ex. Sweating

Water molecules pulling together to assume the shape with the least surface area

Mixture of two or more substances in which the molecules of the substances are evenly distributed.

Substance that is dissolved in a solvent to make a solution

Substance in which a solute is dissolved to form a solution.

Mixture of water and nondissolved materials

A measurement system to indicate the concentration of H+ ions in a solution. A scale of ( 1 - 14 )

Any compound that forms H+ ions in solution. Acidic solutions have a pH value below 7.

A compound that produces hydroxide (OH-) ions in solution

Weak acids or weak bases that can react with strong acids or bases to prevent sharp, sudden changes in pH.

Scatterplot/Modified Bar Graph

Used to visualize the relationship between two quantitative variables, helping to identify patterns, trends, and correlations within the data

Used for showing data trends over time

Used for percentages; Parts of a whole

Variable being changed; the 'if' in a hypothesis

Variable changed because of the independent variable; data collected

What is kept the same between both experiments

What is being exposed to the experimental conditions

Characteristics of Life

DNA, Organization, Growth, Stimulus response, Reproduce, Energy, Adapt, Cells, Homeostasis

Cohesion, adhesion, high specific heat, high heat of vaporization, and its role as a universal solvent

Nonpolar; will NOT dissolve in water/ water insoluble

Polar; will dissolve in water/ water soluble

Will dissolve most solutes Ex. Water.

Honors Biology Unit 1A Vocabulary Flashcards

Student preview

44 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Atom

Back

The basic unit of matter

2.

FLASHCARD QUESTION

Front

Nucleus

Back

The center of an atom that contains both protons and neutrons.

3.

FLASHCARD QUESTION

Front

Neutron

Back

No charge

4.

FLASHCARD QUESTION

Front

Proton

Back

Positively charged particle

5.

FLASHCARD QUESTION

Front

Electron

Back

Negatively charged particle

6.

FLASHCARD QUESTION

Front

Element

Back

A pure substance that consists entirely of one type of atom

7.

FLASHCARD QUESTION

Front

Atomic number

Back

Number of protons; number of electrons

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